The Fourth Revelation: Fuyuki Fate/Accel Zero Order
Japan, Fuyuki— A new singularity has appeared on the site of Singularity F, but at coordinates ten years prior. The timeline sees a Fuyuki embroiled in the Fourth Holy Grail War. Your guide for this Rayshift will be Lord El-Melloi II. What has happened to the Fourth Holy Grail War? A battle to discover the truth is about to begin...
A collaboration event in Fate/Grand Order with Fate/Zero guest written by Urobuchi Gen, released on the Japanese server on April 27, 2016 and on the NA server on April 19, 2018. The story is a retelling of the events of Fate/Zero with interference from Chaldea and Lord El-Melloi II. Irisviel von Einzbern (Caster) is given to players as a surprise reward for completing the event.
